B2 大量;很多
a large amount
  She spends a good deal of her time in China. 她很多时候在中国。 
 A great deal of effort has gone into making the software reliable. 已投入大量精力去提高该软件的稳定性。 
 They still need a great deal more money to finish the project. 他们仍然需要更多的资金才能完成那个项目。 
 It doesn't make a great deal of difference.
 A great deal of my time is spent preparing students for exams.
 To be honest, a good deal of what she says is just plain common sense.
 See also: deal noun (AMOUNT)
 - More examples
 - We Americans owe a great deal to our European cousins.
 - I've been in this job for 30 years, and I've picked up a good deal of expertise along the way.
 - This product has excited a great deal of media interest.
 - A great deal has been achieved, most notably free elections.
 - There is a great deal of interest in harnessing wind and waves as new sources of power.